Also see: "Not seeing what you think you should be seeing in the All Boards area?"
The DashBoard remembers what you were looking at last and this includes charts.
To see all of your data in a chart make sure you click the 'X' by the chart title to see the whole data set again.
If a filter for Key Stage or year group has been applied to a chart, it stays applied until you change it again.
To reset, choose 'None' from the drop-down.
